[ownzu77]

Queequeg can you speak on bacteria that resists clorine? As I monitor the clorine in solution, as soon as it gets down to a critical level, 420 orp, which also happens to be safe range for naked plant roots, over night the ph spike, the swampy smell, the froth. This solution had seen 3 drops bleach per gallon 3 days prior. I’m currently running boiled water in the ez clone. If that fails I’ll try bottle water. Giving up after that

[queequeg152]

there are many bacteria that can resist chlorine disinfection... i forget what they are called, but there are bacteria that can hibernate as little dried out husks that are resistant to chlorine.

there are also bacteria that are MORE resistant to chlorination... but this just means you need a longer contact time for what ever log 99 value you need.

cryto is the famous bacteria( its actually a protozoa i think) that keeps killing people. its needs a very long contact time to get fully "killed", so you often see outbreaks of this microbe as chlorination facilites fail, or distribution systems or piping leaks or just looses chlorine due to very long hydraulic residence times.

what is the alkalinity of your boiled water?

PH is logarithmic... as you approach 0 alkalinity your PH can be swung wildly by small aditions of acid or base.

420 mV is insanely low for free chlorine monitoring, i doubt you are getting any sanitation value from such small additions. you need to go much higher.

if you dont believe me... take a healthy plant, any plant i guess(go get a tom seed pack or what ever is in season from a garden center) ... and simply spray its roots with a solution of 10mg/l free chlorine and watch if for a few days.

3 drops of bleach does not mean anything to me TBH, you need to measure the free chlorine. chlorine products come in many concentrations, and sodium hypochlorite solutions will degrade with time when exposed to light and heat... this is why bleach bottles are almost always opaque HDPE.

3 days in between application is also a very long stretch for a system thats clearly not sanitized in the first place.

you need to maintain a known free chlorine value for a few days at least imo.

also if you are agressivly aerating this solution, the free chlorine will dissipate even faster and you will need even more frequent additions of bleach or calcium hypo.

are you adding organics to your nutrient solution? humic acid or any shit like that?

[ownzu77]

Plain water, ph down, and bleach. New pump, new manifold, cloner through a new dishwasher etc. if you do a quick search through these forums and others you’ll see that plants in hydro suffer above 450mv. That’s a fact. We’re not talking about plants in a medium. I’ve hit my plants in soil with 750 orp and they loved it. Different animal. 1 drop of bleach per gallon is a lot. Look at snypes threads he likes one drop per 2 gallons. I started in a highly chlorinated environment for hydro (650) watching the bleedoff knowing full well that when it approached that 420 level the plants will either root or the ez clone transforms into a dirty fish tank over night. I have never seen anything like it. If you look at the threads where ozone controllers are used the orp is set at 375ish. This is by far the most difficult thing I’ve dealt with growing

[Americangrower]

Cloning is easy as long as you do a few things
1 Healthy mom
2 Give lots of nutes days before cuts
3 BIG cuts root easier...
then its up to you how you want to clone, Me I just cut at 45, scrape stem, dip in powder add to areocloner. Cloner has some type of clonex or root hormone and water, runs 24/7 ph around 6, no idea the temp I guess warm lol doesn't matter as long as it's not real cold.

[queequeg152]

Originally Posted by ownzu77

Plain water, ph down, and bleach. New pump, new manifold, cloner through a new dishwasher etc. if you do a quick search through these forums and others you’ll see that plants in hydro suffer above 450mv. That’s a fact. We’re not talking about plants in a medium. I’ve hit my plants in soil with 750 orp and they loved it. Different animal. 1 drop of bleach per gallon is a lot. Look at snypes threads he likes one drop per 2 gallons. I started in a highly chlorinated environment for hydro (650) watching the bleedoff knowing full well that when it approached that 420 level the plants will either root or the ez clone transforms into a dirty fish tank over night. I have never seen anything like it. If you look at the threads where ozone controllers are used the orp is set at 375ish. This is by far the most difficult thing I’ve dealt with growing

oh you are doing 3 drops per GALLON? yea that sounds like more than ive used in the past tbh.

i think 1 drop = 1/15th of a ml?

so you are approaching .25 ml per gallon of what? 12.5% solution?

(VERY) quick math yields... .03 grams bleach solution per 1mg/l ignoring the ph issue.

so 3 drops = 1/5th of a ml?

1.2(density of bleach 12.5%) * .2 = .24grams

.24grams/ .03 grams per 1 mg/l free chlorine...

so you should be around 8mg/l assuming flawless math( its not).

what are you saying though? you dose 3drops per gallon( which reads as 650mV) and then wait untill it falls to 420 mV to dose again?

what does a dirty fish tank look like? are you talking about algea? or cloudyness?

its entirely possible that you are actually killing the roots with chlorine i suppose, but it does not sound like it.

are you willing to get a reagent test kit to verify the accuracy of your ORP sensor? it would really be more usefull to see actual mg/L values- if for no other reason than to verify your orp sensor readings.

[Picarus]

This has worked for me when the ezcloner just wasn't working. Combine the techs. Haven't looked back. Do hundreds every month.

[queequeg152]

Originally Posted by Picarus

This has worked for me when the ezcloner just wasn't working. Combine the techs. Haven't looked back. Do hundreds every month.

what are you doing there? looks like you were just cloning in rockwool plugs in a seed flat?

[Picarus]

I put the rockwool cubes in the ezcloner. the pump only runs for 15 minutes every 4-5 hours. It keeps the res temp down and slows the bacterial growth. Also the rookwool seems a good buffer against stem rot I often saw with the cloner collars.

[queequeg152]

edit: mistakenly replied to old post thinking it was new. im dumb.